Interactive IRUG Spectrum

Details

IRUG filename:
IOD00034
Data type:
Infrared
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Congo Red, Direct Red 28 (DR28), CI#22120
CAS name:
1-​Naphthalenesulfonic acid, 3,​3'-​[[1,​1'-​biphenyl]​-​4,​4'-​diylbis(2,​1-​diazenediyl)​]​bis[4-​amino-​, sodium salt (1:2)
Sample source 1:
Helmut Schweppe Collection of Early Synthetic Dyes
Source location 1:
BASF, Ludwigshafen, Germany
Sample source 2:
Getty Conservation Institute
Source location 2:
The Getty Center, 1200 Getty Center Drive, Los Angeles, CA, 90049
Age:
1986, acquired
Application:
DRIFTS (diffuse reflectance infrared Fourier transform spectroscopy)
Mode:
Refl
Originating institution name:
Getty Conservation Institute
Originating institution acronym:
GCI
Molecular formula:
C32 H24 N6 O6 S2 * 2 Na
CAS registry no:
573-58-0